T&S(SZ:300570) Xin Lang Cai Jing·2026-01-19 04:20Group 1 - The core point of the news is that Shenzhen Taicheng Light Communication Co., Ltd. experienced a decline in stock price, dropping by 5.04% to 108.25 CNY per share, with a trading volume of 1.27 billion CNY and a turnover rate of 6.03%, resulting in a total market capitalization of 24.586 billion CNY [1] - The company was established on December 12, 2000, and went public on December 6, 2016, focusing on the research, production, and sales of optical devices, with 98.02% of its revenue coming from optical device products [1] - The company is located in Shenzhen, Guangdong Province, and operates under a multi-address business model [1] Group 2 - According to data from the top ten heavy stocks of funds, Qianhai Kaiyuan Fund has increased its holdings in Taicheng Light by 833,300 shares, bringing the total to 1,024,600 shares, which represents 8.61% of the fund's net value, making it the fourth-largest heavy stock [2] - The Qianhai Kaiyuan Hong Kong-Shenzhen Enjoy Life Fund (004320) was established on May 12, 2017, with a latest scale of 1.374 billion CNY, showing a year-to-date return of 0.66% and a one-year return of 112.77% [2] - The fund manager, Wei Chun, has a tenure of 7 years and 13 days, with a total asset scale of 2.772 billion CNY, achieving a best return of 145.36% during his tenure [3]